Finding the Third Proportional to 43,580 and 69,636

Step by Step Solution

1. Step 1: Write the proportion equation
   43,580 : 69,636 = 69,636 : x
2. Step 2: Convert to fraction form
   43,580/69,636 = 69,636/x
3. Step 3: Cross multiply
   43,580x = 69,636 × 69,636
4. Step 4: Simplify right side
   43,580x = 4,849,172,496
5. Step 5: Solve for x
   x = 4,849,172,496/43,580
6. Step 6: Final answer
   x = 111,270.59